2607645864794 has 4 divisors (see below), whose sum is σ = 3911468797194. Its totient is φ = 1303822932396.

The previous prime is 2607645864793. The next prime is 2607645864809. The reversal of 2607645864794 is 4974685467062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2549971440769 + 57674424025 = 1596863^2 + 240155^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2607645864793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651911466197 + ... + 651911466200.

Almost surely, 2^{2607645864794} is an apocalyptic number.

2607645864794 is a deficient number, since it is larger than the sum of its proper divisors (1303822932400).

2607645864794 is a wasteful number, since it uses less digits than its factorization.

2607645864794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303822932399.

The product of its (nonzero) digits is 487710720, while the sum is 68.

The spelling of 2607645864794 in words is "two trillion, six hundred seven billion, six hundred forty-five million, eight hundred sixty-four thousand, seven hundred ninety-four".